emailService/src/main/java/com/fjhx/mapper/xml/EmailMailboxLinkMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.fjhx.mapper.EmailMailboxLinkMapper">

    <select id="getMassageList" resultType="com.fjhx.entity.EmailMessage">
        SELECT em.message_id,
               em.subject,
               em.from_date,
               em.from_name,
               em.from_address,
               eml.create_time
        FROM email_mailbox_link eml
                 LEFT JOIN email_message em ON eml.message_id = em.message_id
            ${ew.customSqlSegment}
    </select>

</mapper>